AU761097B2 - Digital data recording device, digital data memory device, and digital data utilizing device for converting management information which contains restrictive information using a different key in each management information send/receive session - Google Patents

Digital data recording device, digital data memory device, and digital data utilizing device for converting management information which contains restrictive information using a different key in each management information send/receive session Download PDF

Info

Publication number
AU761097B2
AU761097B2 AU39356/00A AU3935600A AU761097B2 AU 761097 B2 AU761097 B2 AU 761097B2 AU 39356/00 A AU39356/00 A AU 39356/00A AU 3935600 A AU3935600 A AU 3935600A AU 761097 B2 AU761097 B2 AU 761097B2
Authority
AU
Australia
Prior art keywords
digital data
information
key
management information
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU39356/00A
Other languages
English (en)
Other versions
AU3935600A (en
Inventor
Shunji Harada
Takatoshi Ono
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of AU3935600A publication Critical patent/AU3935600A/en
Application granted granted Critical
Publication of AU761097B2 publication Critical patent/AU761097B2/en
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G11B20/00115—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers wherein the record carrier stores a unique medium identifier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00485—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/00492—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
    • G11B20/00536—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted wherein encrypted content data is subjected to a further, iterated encryption, e.g. interwoven encryption
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00485—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/00557—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein further management data is encrypted, e.g. sector headers, TOC or the lead-in or lead-out areas
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/0084—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific time or date
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G11B2020/10537—Audio or video recording
    • G11B2020/10546—Audio or video recording specifically adapted for audio data
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/60—Solid state media

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Storage Device Security (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
AU39356/00A 1999-06-15 2000-06-07 Digital data recording device, digital data memory device, and digital data utilizing device for converting management information which contains restrictive information using a different key in each management information send/receive session Expired AU761097B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP11-167897 1999-06-15
JP16789799 1999-06-15
JP2000148962A JP3815950B2 (ja) 1999-06-15 2000-05-19 デジタルデータ書込装置、デジタルデータ記録装置、デジタルデータ利用装置
JP2000-148962 2000-05-19

Publications (2)

Publication Number Publication Date
AU3935600A AU3935600A (en) 2000-12-21
AU761097B2 true AU761097B2 (en) 2003-05-29

Family

ID=26491806

Family Applications (1)

Application Number Title Priority Date Filing Date
AU39356/00A Expired AU761097B2 (en) 1999-06-15 2000-06-07 Digital data recording device, digital data memory device, and digital data utilizing device for converting management information which contains restrictive information using a different key in each management information send/receive session

Country Status (8)

Country Link
US (1) US6868404B1 (ja)
EP (1) EP1061515B1 (ja)
JP (1) JP3815950B2 (ja)
KR (1) KR100683342B1 (ja)
CN (1) CN100393027C (ja)
AU (1) AU761097B2 (ja)
ID (1) ID26381A (ja)
MX (1) MXPA00005863A (ja)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10301492A (ja) 1997-04-23 1998-11-13 Sony Corp 暗号化装置および方法、復号装置および方法、並びに情報処理装置および方法
JP2000236325A (ja) 1999-02-09 2000-08-29 Lg Electronics Inc デジタルデータファイルの暗号化装置及びその方法
JP4595182B2 (ja) * 2000-09-07 2010-12-08 ソニー株式会社 情報記録装置、情報再生装置、情報記録方法、情報再生方法、および情報記録媒体、並びにプログラム提供媒体
MXPA03006362A (es) * 2001-01-17 2004-04-20 Contentguard Holdings Inc Metodo y aparato para administrar derechos de uso de contenido digital.
JP3861625B2 (ja) * 2001-06-13 2006-12-20 ソニー株式会社 データ転送システム、データ転送装置、記録装置、データ転送方法
FI20011397A (fi) 2001-06-29 2002-12-30 Nokia Corp Menetelmä ja järjestely digitaalisen, arvoa omaavan tallenteen varmistamiseksi, järjestelyssä toimiva päätelaite sekä menetelmää hyödyntävä sovellusohjelma
JP2003101570A (ja) * 2001-09-21 2003-04-04 Sony Corp 通信処理システム、通信処理方法、およびサーバー装置、並びにコンピュータ・プログラム
JP3656248B2 (ja) * 2001-10-09 2005-06-08 ソニー株式会社 ビデオ信号記録装置および方法、ビデオ信号再生装置および方法、記録媒体、プログラム、並びにデータ構造
US7372964B2 (en) * 2001-10-10 2008-05-13 Kabushiki Kaisha Toshiba Method and apparatus for recording information including secret information and method and apparatus for reproduction thereof
AU2003226454A1 (en) * 2002-04-11 2003-10-20 Matsushita Electric Industrial Co., Ltd. Information recording medium with information restriction
JP2004070499A (ja) * 2002-08-02 2004-03-04 Fujitsu Ltd メモリデバイスおよび暗号化／復号方法
JP2004303315A (ja) * 2003-03-31 2004-10-28 Funai Electric Co Ltd Ｄｖｄ機器および所定情報記録方法
WO2005031545A1 (de) * 2003-09-30 2005-04-07 Siemens Aktiengesellschaft Einräumung eines zugriffs auf ein computerbasiertes objekt
US7711957B2 (en) * 2003-09-30 2010-05-04 Siemens Aktiengesellschaft Granting access to a computer-based object
BRPI0418234B1 (pt) * 2004-01-06 2018-04-24 Thomson Licensing Dispositivo, cartão de acesso, dispositivo de destino de informação digital, e métodos para transferir informação
JP2005204134A (ja) * 2004-01-16 2005-07-28 Mitsubishi Electric Corp 耐タンパ暗号システム及びメモリ装置及び認証端末及び及びプログラム
JP4595361B2 (ja) * 2004-03-19 2010-12-08 株式会社日立製作所 コンテンツの記録・再生装置及びシステム
EP1637957A1 (en) * 2004-09-21 2006-03-22 Deutsche Thomson-Brandt Gmbh Method and apparatus for accessing protected data
US7748032B2 (en) * 2004-09-30 2010-06-29 Citrix Systems, Inc. Method and apparatus for associating tickets in a ticket hierarchy
EP2150167B1 (en) 2007-05-10 2014-08-27 Technion Research & Development Foundation Ltd. Semi disposable endoscope
JP4941192B2 (ja) * 2007-09-13 2012-05-30 カシオ計算機株式会社 暗号化処理システム
JP2009163560A (ja) * 2008-01-08 2009-07-23 Hitachi Ltd デジタルデータ記録装置
WO2011064883A1 (ja) * 2009-11-27 2011-06-03 株式会社東芝 メモリチップ
CN102572817B (zh) * 2010-12-21 2015-01-14 普天信息技术研究院有限公司 实现移动通信保密的方法和智能存储卡
JP5725210B2 (ja) 2012-02-03 2015-05-27 富士通株式会社 端末固有情報の送信方法およびシステム
CN104796886B (zh) * 2015-04-01 2016-05-11 努比亚技术有限公司 终端加密通话实时性的测试方法及装置
CN109446752B (zh) * 2018-12-13 2021-07-13 苏州科达科技股份有限公司 版权文件管理方法、系统、设备及存储介质
CN111177768A (zh) * 2020-04-10 2020-05-19 支付宝(杭州)信息技术有限公司 保护数据隐私的双方联合训练业务预测模型的方法和装置
US11816228B2 (en) * 2020-09-25 2023-11-14 Advanced Micro Devices, Inc. Metadata tweak for channel encryption differentiation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08139718A (ja) * 1994-11-04 1996-05-31 Hitachi Ltd 暗号装置およびそれを利用した端末間通信方法
EP0994475A1 (en) * 1998-10-16 2000-04-19 Matsushita Electric Industrial Co., Ltd. Digital content protection system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3073590B2 (ja) * 1992-03-16 2000-08-07 富士通株式会社 電子化データ保護システム、使用許諾者側装置および使用者側装置
JP2541113B2 (ja) 1993-07-14 1996-10-09 日本電気株式会社 暗号連鎖における暗号化前処理装置および復号後処理装置
DE69634850T2 (de) 1995-10-09 2006-05-18 Matsushita Electric Industrial Co., Ltd., Kadoma Informationsaufzeichnungsträger, informationswiedergabegerät und informationswiedergabeverfahren
JP2991099B2 (ja) 1996-01-26 1999-12-20 富士ゼロックス株式会社 署名装置および方法
US5883958A (en) * 1996-04-01 1999-03-16 Sony Corporation Method and device for data decryption, a method and device for device identification, a recording medium, a method of disk production, and a method and apparatus for disk recording
JP3588536B2 (ja) * 1997-07-11 2004-11-10 株式会社東芝 不正データコピー防止装置及び方法
JP2000003551A (ja) * 1998-06-12 2000-01-07 Matsushita Electric Ind Co Ltd 光記録媒体からのコピー規制方法、装置及びコピー規制を施した光記録媒体
US6275939B1 (en) * 1998-06-25 2001-08-14 Westcorp Software Systems, Inc. System and method for securely accessing a database from a remote location
JP4127587B2 (ja) * 1999-07-09 2008-07-30 株式会社東芝 コンテンツ管理方法およびコンテンツ管理装置および記録媒体
EP1069564A3 (en) * 1999-07-15 2002-08-21 Matsushita Electric Industrial Co., Ltd. Digital data recording device, digital data memory device, and digital data utilizing device that produce problem reports
ATE348382T1 (de) * 2000-01-13 2007-01-15 Koninkl Philips Electronics Nv Verfahren zum schutz des komprimierten inhaltes nach trennung von originaler quelle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08139718A (ja) * 1994-11-04 1996-05-31 Hitachi Ltd 暗号装置およびそれを利用した端末間通信方法
EP0994475A1 (en) * 1998-10-16 2000-04-19 Matsushita Electric Industrial Co., Ltd. Digital content protection system

Also Published As

Publication number Publication date
ID26381A (id) 2000-12-21
JP2001060945A (ja) 2001-03-06
AU3935600A (en) 2000-12-21
KR20010015024A (ko) 2001-02-26
EP1061515B1 (en) 2011-10-26
EP1061515A3 (en) 2002-10-02
CN100393027C (zh) 2008-06-04
MXPA00005863A (es) 2005-04-28
US6868404B1 (en) 2005-03-15
EP1061515A2 (en) 2000-12-20
JP3815950B2 (ja) 2006-08-30
CN1277506A (zh) 2000-12-20
KR100683342B1 (ko) 2007-02-15

Similar Documents

Publication Publication Date Title
AU761097B2 (en) Digital data recording device, digital data memory device, and digital data utilizing device for converting management information which contains restrictive information using a different key in each management information send/receive session
US6859535B1 (en) Digital content protection system
KR100846255B1 (ko) 암호화 장치 및 방법, 복호 장치 및 방법과 기억 매체
WO2002056535A1 (fr) Appareil et procede permettant d'enregistrer et de reproduire des informations
US20030061519A1 (en) Authentication communication apparatus and authentication communication system
WO2001078298A1 (fr) Systeme et procede de traitement d'informations
JP2003069558A5 (ja)
RU2369024C2 (ru) Система защиты информационного содержания, устройство генерации данных ключей и устройство воспроизведения
JP2003158514A5 (ja)
US7617402B2 (en) Copyright protection system, encryption device, decryption device and recording medium
JP3682840B2 (ja) コンテンツ情報記録方法及びコンテンツ情報記録装置
JP2000115154A5 (ja) データ処理装置および方法、並びにデータ復号処理装置および方法
JP4713745B2 (ja) 認証通信装置及び認証通信システム
JPH11250571A (ja) 情報配布装置と端末装置及び情報配布システム
JP4731034B2 (ja) 著作物保護システム、暗号化装置、復号化装置および記録媒体
JPH10293726A (ja) 外部記憶装置、暗号化ユニット装置、復号化ユニット装置、暗号化システム、復号化システム、暗号化方法及び復号化方法
JPH10293724A (ja) ユニット装置、復号化ユニット装置、暗号化ユニット装置、暗号処理システム、暗号化方法及び復号化方法
JP3625355B2 (ja) 外部記憶装置、暗号化ユニット装置、復号化ユニット装置、暗号化システム、復号化システム、暗号化方法及び復号化方法
JP5296195B2 (ja) コンテンツデータ再生システム、及び記録装置
CN100385521C (zh) 用于管理记录介质的复制保护信息的方法
JP5110942B2 (ja) 情報保護システム
JP4624638B2 (ja) デジタルデータ書込装置、デジタルデータ記録装置、デジタルデータ利用装置
JP2000243026A (ja) 情報記録方法、利用方法および配送方法
JP2001156771A (ja) 暗号化情報伝送方法、暗号化情報伝送装置、及び伝送媒体
KR100364751B1 (ko) 디지탈자기기록재생시스템의데이타보호장치

Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired